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558-455 Holley EFI 2009+ GM 4L60E Transmission Control Harness

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$229.95
SKU:
558-455
UPC:
90127048092
MPN:
558-455
In Stock & Ready To Ship!
Availability: 4/20/2023
Current Stock:Only left: 44

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Description

Expanding on our Transmission Control options from Holley EFI. This new harness 558-455 from Holley EFI provides plug and play transmission control for the 2009+ GM 4L60 when used with a Dominator ECU. The 2009+ GM 4L60E contains an internal turbine speed sensor, which was not on the previous model year transmissions. Additionally, the valve body range selector is wired and controlled differently from the ECU.

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